JP2014035379A5

JP2014035379A5 -

Info

Publication number: JP2014035379A5
Application number: JP2012175411A
Authority: JP
Filing date: 2012-08-07
Publication date: 2015-09-24
Anticipated expiration: 2032-08-07

Description

本発明は、たとえば、
画像が形成される像担持体と、
前記像担持体に形成された画像を記録媒体に転写する転写手段と、
前記転写手段へ向けて記録媒体を搬送する搬送手段と、
前記転写手段よりも記録媒体の搬送方向上流側の所定位置で記録媒体を検知する検知手段と、
前記検知手段によって記録媒体を検知してから所定時間が経過した時に、検知した前記記録媒体に対応する画像の形成を前記像担持体に対して開始する画像形成手段と、を有し、
前記検知手段によって記録媒体を検知したタイミングが所定タイミングよりも遅い場合、前記搬送手段は、前記転写手段によって前記記録媒体に画像が転写される際の第１の速度よりも速い第２の速度で前記記録媒体を搬送し、前記画像形成手段は、前記検知手段によって前記記録媒体を検知した前記タイミングに応じて、前記所定時間を短くすることを特徴とする画像形成装置を提供する。
また、本発明は、たとえば、
画像が形成される像担持体と、
前記像担持体に形成された画像を記録媒体に転写する転写手段と、
前記転写手段へ向けて記録媒体を搬送する搬送手段と、
前記転写手段よりも記録媒体の搬送方向上流側の所定位置で記録媒体を検知する検知手段と、
前記検知手段によって記録媒体を検知してから所定時間が経過した時に、検知した前記記録媒体に対応する画像の形成を前記像担持体に対して開始する画像形成手段と、を有し、
前記検知手段によって記録媒体を検知したタイミングが所定タイミングよりも早い場合、前記搬送手段は、前記転写手段によって前記記録媒体に画像が転写される際の第１の速度よりも遅い第２の速度で前記記録媒体を搬送し、前記画像形成手段は、前記検知手段によって前記記録媒体を検知した前記タイミングに応じて、前記所定時間を長くすることを特徴とする画像形成装置を提供する。
また、本発明は、たとえば、
画像が形成される像担持体を含む画像形成手段と、
前記画像形成手段を制御する制御手段と、
前記像担持体に形成された画像を記録媒体に転写する転写手段と、
前記転写手段へ向けて記録媒体を搬送する搬送手段と、
前記転写手段よりも記録媒体の搬送方向上流側の所定位置で記録媒体を検知する検知手段と、を有し、
前記画像形成手段は、前記検知手段によって記録媒体を検知してから所定時間が経過した時に、検知した前記記録媒体に対応する画像の形成を前記像担持体に対して開始し、
前記検知手段によって記録媒体を検知したタイミングが所定タイミングよりも遅い場合、前記搬送手段は、前記転写手段によって前記記録媒体に画像が転写される際の第１の速度よりも速い第２の速度で前記記録媒体を搬送し、前記制御手段は、前記像担持体に形成された画像が前記転写手段によって前記記録媒体に転写されるように、前記検知手段によって前記記録媒体を検知した前記タイミングに応じて、前記画像形成手段を制御することを特徴とする画像形成装置を提供する。
また、本発明は、たとえば、
画像が形成される像担持体を含む画像形成手段と、
前記画像形成手段を制御する制御手段と、
前記像担持体に形成された画像を記録媒体に転写する転写手段と、
前記転写手段へ向けて記録媒体を搬送する搬送手段と、
前記転写手段よりも記録媒体の搬送方向上流側の所定位置で記録媒体を検知する検知手段と、を有し、
前記画像形成手段は、前記検知手段によって記録媒体を検知してから所定時間が経過した時に、検知した前記記録媒体に対応する画像の形成を前記像担持体に対して開始し、
前記検知手段によって記録媒体を検知したタイミングが所定タイミングよりも早い場合、前記搬送手段は、前記転写手段によって前記記録媒体に画像が転写される際の第１の速度よりも遅い第２の速度で前記記録媒体を搬送し、前記制御手段は、前記像担持体に形成された画像が前記転写手段によって前記記録媒体に転写されるように、前記検知手段によって前記記録媒体を検知した前記タイミングに応じて、前記画像形成手段を制御することを特徴とする画像形成装置を提供する。
The present invention is, for example,
An image carrier on which an image is formed;
Transfer means for transferring an image formed on the image carrier to a recording medium;
Conveying means for conveying a recording medium toward the transfer means;
Detecting means for detecting the recording medium at a predetermined position upstream of the transfer means in the conveying direction of the recording medium;
Image forming means for starting the formation of an image corresponding to the detected recording medium on the image carrier when a predetermined time has elapsed since the recording medium was detected by the detecting means;
When the timing at which the detection unit detects the recording medium is later than a predetermined timing, the transport unit has a second speed higher than the first speed at which the image is transferred to the recording medium by the transfer unit. The recording medium is conveyed, and the image forming unit shortens the predetermined time according to the timing when the recording unit is detected by the detecting unit.
The present invention also provides, for example,
An image carrier on which an image is formed;
Transfer means for transferring an image formed on the image carrier to a recording medium;
Conveying means for conveying a recording medium toward the transfer means;
Detecting means for detecting the recording medium at a predetermined position upstream of the transfer means in the conveying direction of the recording medium;
Image forming means for starting the formation of an image corresponding to the detected recording medium on the image carrier when a predetermined time has elapsed since the recording medium was detected by the detecting means;
When the timing at which the recording medium is detected by the detection means is earlier than a predetermined timing, the transport means is at a second speed that is slower than the first speed at which the image is transferred to the recording medium by the transfer means. The recording medium is conveyed, and the image forming unit extends the predetermined time according to the timing when the recording unit is detected by the detecting unit.
The present invention also provides, for example,
An image forming means including an image carrier on which an image is formed;
Control means for controlling the image forming means;
Transfer means for transferring an image formed on the image carrier to a recording medium;
Conveying means for conveying a recording medium toward the transfer means;
Detecting means for detecting the recording medium at a predetermined position upstream of the transfer means in the conveyance direction of the recording medium,
The image forming unit starts forming an image corresponding to the detected recording medium on the image carrier when a predetermined time has elapsed since the recording unit was detected by the detecting unit;
When the timing at which the detection unit detects the recording medium is later than a predetermined timing, the transport unit has a second speed higher than the first speed at which the image is transferred to the recording medium by the transfer unit. The control unit conveys the recording medium, and the control unit responds to the timing at which the recording unit is detected by the detecting unit so that an image formed on the image carrier is transferred to the recording medium by the transfer unit. And an image forming apparatus for controlling the image forming means.
The present invention also provides, for example,
An image forming means including an image carrier on which an image is formed;
Control means for controlling the image forming means;
Transfer means for transferring an image formed on the image carrier to a recording medium;
Conveying means for conveying a recording medium toward the transfer means;
Detecting means for detecting the recording medium at a predetermined position upstream of the transfer means in the conveyance direction of the recording medium,
The image forming unit starts forming an image corresponding to the detected recording medium on the image carrier when a predetermined time has elapsed since the recording unit was detected by the detecting unit;
When the timing at which the recording medium is detected by the detection means is earlier than a predetermined timing, the transport means is at a second speed that is slower than the first speed at which the image is transferred to the recording medium by the transfer means. The control unit conveys the recording medium, and the control unit responds to the timing at which the recording unit is detected by the detecting unit so that an image formed on the image carrier is transferred to the recording medium by the transfer unit. And an image forming apparatus for controlling the image forming means.

Claims

  An image carrier on which an image is formed;
  Transfer means for transferring an image formed on the image carrier to a recording medium;
  Conveying means for conveying a recording medium toward the transfer means;
  Detecting means for detecting the recording medium at a predetermined position upstream of the transfer means in the conveying direction of the recording medium;
  Image forming means for starting the formation of an image corresponding to the detected recording medium on the image carrier when a predetermined time has elapsed since the recording medium was detected by the detecting means;
  When the timing at which the detection unit detects the recording medium is later than a predetermined timing, the transport unit has a second speed higher than the first speed at which the image is transferred to the recording medium by the transfer unit. The image forming apparatus according to claim 1, wherein the recording medium is conveyed, and the image forming unit shortens the predetermined time in accordance with the timing at which the detecting unit detects the recording medium.

  An image carrier on which an image is formed;
  Transfer means for transferring an image formed on the image carrier to a recording medium;
  Conveying means for conveying a recording medium toward the transfer means;
  Detecting means for detecting the recording medium at a predetermined position upstream of the transfer means in the conveying direction of the recording medium;
  Image forming means for starting the formation of an image corresponding to the detected recording medium on the image carrier when a predetermined time has elapsed since the recording medium was detected by the detecting means;
  When the timing at which the recording medium is detected by the detection means is earlier than a predetermined timing, the transport means is at a second speed that is slower than the first speed at which the image is transferred to the recording medium by the transfer means. The image forming apparatus, wherein the recording medium is conveyed, and the image forming unit extends the predetermined time according to the timing when the recording unit is detected by the detecting unit.

When the timing at which the recording medium is detected by the detecting unit coincides with the predetermined timing, the conveying unit conveys the recording medium at the first speed, and the image forming unit changes the predetermined time. The image forming apparatus according to claim 1, wherein the image forming apparatus is not.

Storage means for storing the recording medium,
4. The image forming apparatus according to claim 1, wherein the transport unit transports the recording medium stored in the storage unit toward the transfer unit without stopping. 5.

When the transport unit transports the recording medium at the second speed, the transport unit sets the transport speed of the recording medium at least before the leading end of the recording medium reaches the transfer unit. The image forming apparatus according to claim 1, wherein the image forming apparatus is switched from a speed to the first speed.

The image forming apparatus according to claim 1, wherein the predetermined position is a position downstream of the transport unit in a transport direction of the recording medium.

The image forming means includes an irradiating means for irradiating the image carrier with light,
7. The irradiation unit according to claim 1, wherein the irradiation unit starts irradiating the image carrier with light when the predetermined time has elapsed since the detection unit detected the recording medium. The image forming apparatus according to claim 1.

The said conveying means determines the said 2nd speed based on the difference of the said timing which detected the said recording medium by the said detection means, and the said predetermined timing, The one of Claims 1 thru | or 7 characterized by the above-mentioned. The image forming apparatus described in 1.

9. The image forming unit according to claim 1, wherein the image forming unit adjusts the predetermined time based on a difference between the timing at which the recording medium is detected by the detecting unit and the predetermined timing. The image forming apparatus described.

The transport means continuously transports the first recording medium and the second recording medium following the first recording medium toward the transfer means,
If the timing at which the leading end of the second recording medium is detected after the trailing end of the first recording medium is detected by the detecting unit is later than the predetermined timing, the transport unit is at the second speed. The said 2nd recording medium is conveyed, The said image formation means shortens the said predetermined time according to the said timing when the front-end | tip of the said 2nd recording medium was detected by the said detection means. The image forming apparatus according to 1.

The transport means continuously transports the first recording medium and the second recording medium following the first recording medium toward the transfer means,
If the timing at which the leading end of the second recording medium is detected after the trailing end of the first recording medium is detected by the detecting unit is earlier than the predetermined timing, the transport unit is configured to move at the second speed. The second recording medium is conveyed, and the image forming unit lengthens the predetermined time in accordance with the timing when the leading end of the second recording medium is detected by the detecting unit. The image forming apparatus according to 2.

  An image forming means including an image carrier on which an image is formed;
  Control means for controlling the image forming means;
  Transfer means for transferring an image formed on the image carrier to a recording medium;
  Conveying means for conveying a recording medium toward the transfer means;
  Detecting means for detecting the recording medium at a predetermined position upstream of the transfer means in the conveyance direction of the recording medium,
  The image forming unit starts forming an image corresponding to the detected recording medium on the image carrier when a predetermined time has elapsed since the recording unit was detected by the detecting unit;
  When the timing at which the detection unit detects the recording medium is later than a predetermined timing, the transport unit has a second speed higher than the first speed at which the image is transferred to the recording medium by the transfer unit. The control unit conveys the recording medium, and the control unit responds to the timing at which the recording unit is detected by the detecting unit so that an image formed on the image carrier is transferred to the recording medium by the transfer unit. And an image forming apparatus for controlling the image forming means.

  An image forming means including an image carrier on which an image is formed;
  Control means for controlling the image forming means;
  Transfer means for transferring an image formed on the image carrier to a recording medium;
  Conveying means for conveying a recording medium toward the transfer means;
  Detecting means for detecting the recording medium at a predetermined position upstream of the transfer means in the conveyance direction of the recording medium,
  The image forming unit starts forming an image corresponding to the detected recording medium on the image carrier when a predetermined time has elapsed since the recording unit was detected by the detecting unit;
  When the timing at which the recording medium is detected by the detection means is earlier than a predetermined timing, the transport means is at a second speed that is slower than the first speed at which the image is transferred to the recording medium by the transfer means. The control unit conveys the recording medium, and the control unit responds to the timing at which the recording unit is detected by the detecting unit so that an image formed on the image carrier is transferred to the recording medium by the transfer unit. And an image forming apparatus for controlling the image forming means.